docs: def _populate_trie_reducer(self, trie_accumulator=CharTrie(), value="") -> CharTrie:
          """Adds value to trie accumulator"""
          if self._case_sensitive:
              key = self._joiner.join([x.orth_ if isinstance(x, Token) else x for x in
                                       self._default_tokenizer.tokenize(value, disable=disable_spacy)])
          else:
              key = self._joiner.join([x.lower_ if isinstance(x, Token) else x.lower() for x in
                                       self._default_tokenizer.tokenize(value, disable=disable_spacy)])
          trie_accumulator[key] = value
          return trie_accumulator